#1 匿名性
即使知道你的比特币地址也不确定背后的所有人是谁。现金也是如此,现金不记名,如无法知道这 100 元上一次属于谁人所有。
#2 会丢失
当你丢失密钥时,你就真的丢失了你的比特币,就像你把现金或钱多丢在了车水马龙的大街上,可能永远无法找回来了。
#3 价值转移
比特币模拟了现实中上现金并实现了数字的价格转移。比如在现实中我给你了100元,我就没了,如果我在互联网上转你一封邮件,事实上只是将备份转移给你,我还有原始内容,而比特币实现了真正的价值转移,不是copy。
#4 去中心化
如果我要转账给你,事实上必须通过中心化的银行,如果我给你现金,可以直接给你(P2P)。
同样的,比特币由于区块链的去中心分布式记账特性,无需中介,完全去中心化。
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